Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Samantha Brennan

Physical Therapist in Williamsville, NY · enumerated 2016.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1255888541

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Registry record

Entity type Individual (Type 1)

Name Samantha Brennan

Sex Female

Practice address 445 Evans St, Williamsville, NY, 14221

Phone (716) 885-8871

Enumeration date Sep 5, 2016

Last updated in NPPES Apr 19, 2017

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 040642 (NY) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1255888541 active?

Yes, as of the latest NPPES snapshot, NPI 1255888541 is active (record last updated 2017-04-19).

How do I verify Samantha Brennan's NPI record?

Cross-check NPI 1255888541 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Bonnie Schaaf Specialist · Williamsville, NY NPI 1174958235 Kelly Flynn Specialist · Williamsville, NY NPI 1275958043 Jill Carollo Specialist · Williamsville, NY NPI 1356741144 Molly Misso Specialist · Williamsville, NY NPI 1700395639

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-04-19.